president obama talking about the al qaeda terror threats for the first time. he did it on late night tv. this as we learn more about the plot. doug luzader has that story from washington. >> we are learning about another possible drone strike in yemen overnight that would be the second in two-days. the administration arguing the threat is very real but also making a distinction between an evacuation and what they are calling an orderly departure. the airport in yemen serving as a departure point for the u.s. personnel who has been ordered by the state department to leave the country. other u.s. diplomatic facilities in that part of the world has been closed but nowhere is the conce concern greater than in yemen. he taped a segment on "the tonight show" saying the closures were prudent given the intelligence. >> whenever we see a threat stream that we think is specific enough that we can take some specific precautions within a certain time frame than we do so. >> in a state department briefing a spokesperson openly laughed saying the embassy in yemen wasn't act